|March 1986||The company is founded in Nagaoka City, Niigata Prefecture.|
|May 1988||The former headquarters plant is completed in Nanyo, Nagaoka.
Starts full-scale operation of the grinding machine business.
|Oct. 1990||Starts selling vertical grinding machines.|
|May 2001||Mori Seiki Co., Ltd. (present-day DMG MORI CO., LTD.) makes an equity participation in the company.|
|June 2005||Relocates the headquarters plant to Kumoide Industrial Park within Nagaoka City and builds a new plant.
(Total floor area: 7,260 square meters, approx. 3 times the area of the former plant)
|Dec. 2007||Gets listed on JASDAQ.|
|May 2009||Adds a large machine assembly plant to the headquarters plant.|
|Aug. 2009||Opens a representative office in China.|
|Dec. 2009||Opens a representative office in Europe.|
|June 2010||Launches the Multi-Process Grinding Machine Vertical Mate Series.|
|Sep. 2013||Opens a representative office in America.|
|Oct. 2014||Launches the Multi-Process Grinding Machine CVG Series and High-Production Grinding Machine PGV Series.|
|March 2016||Celebrates its 30th anniversary.|
|Dec. 2019||Annual sales surpass the 10 billion yen mark for the first time in the company’s history.|